Tag
eigenvalue

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T400: Kirchhoff indices of connected graphs (996 rational numbers)
T237: Characteristic polynomials of connected graphs (996 integral polynomials)
T397: Spectral radii of connected graphs (996 real numbers)
T329: Eigenvalues of the classical symmetric test matrices (847 real numbers)
T325: Normalised Hecke eigenvalues of level one cusp forms (432 real numbers)
T406: Rayleigh-Schrödinger perturbation coefficients of the quartic anharmonic oscillator (303 rational numbers)
T544: Lamé band-edge eigenvalues (264 real numbers)
T330: Characteristic polynomials of the classical test matrices (220 rational polynomials)
T485: Neumann eigenvalues of the classical planar domains (180 real numbers)
T404: Eigenvalues of the quartic anharmonic oscillator $-y''+(x^2+\lambda x^4)y$ (165 real numbers)
T520: Power-series coefficients of spheroidal eigenvalues (156 rational numbers)
T537: Distance characteristic polynomials of connected graphs (142 integral polynomials)
T546: Graph energies of connected graphs (142 real numbers)
T538: Distance Estrada indices of connected graphs (142 real numbers)
T547: Algebraic connectivity of connected graphs (142 real numbers)
T545: Estrada indices of connected graphs (142 real numbers)
T536: Distance spectral radii of connected graphs (142 real numbers)
T548: Laplacian energies of connected graphs (142 real numbers)
T489: Steklov eigenvalues of the classical planar domains (80 real numbers)
T486: Roots of the frequency equations of the Euler-Bernoulli beam (72 real numbers)
T84: Spectral parameter of Maass forms of level 1 (69 real numbers)
T411: Eigenvalues of the quartic double well $-y''+(x^2-a^2)^2y$ (60 real numbers)
T519: Slepian concentration eigenvalues (48 real numbers)
T518: Prolate spheroidal differential eigenvalues (48 real numbers)
T436: Characteristic values $a_n(q)$ of the Mathieu equation (33 real numbers)
T488: Eigenvalues of the clamped plate (30 real numbers)
T390: Dirichlet eigenvalues of the classical planar domains (17 real numbers)
T408: Eigenvalues of the pure anharmonic oscillators $-y''+x^{2m}y$ (12 real numbers)
T407: Eigenvalues of the imaginary cubic oscillator $-y''+ix^3y$ (5 real numbers)
T543: Lamé spectral polynomials (4 rational polynomials)